CN106971573A - Traffic lights prompt system based on mobile phone A PP - Google Patents
Traffic lights prompt system based on mobile phone A PP Download PDFInfo
- Publication number
- CN106971573A CN106971573A CN201710346053.2A CN201710346053A CN106971573A CN 106971573 A CN106971573 A CN 106971573A CN 201710346053 A CN201710346053 A CN 201710346053A CN 106971573 A CN106971573 A CN 106971573A
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- mobile phone
- vehicle
- speed
- module
- traffic
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
Abstract
The invention discloses a kind of traffic lights prompt system based on mobile phone A PP, including traffic signals acquisition module, letter control module, mobile phone A PP, wireless communication module, velocity sensor, infrared distance sensor, digital compass, onboard wireless transport module and traffic signaling equipment；Wherein mobile phone A PP includes mobile phone display unit, mobile phone speech unit, mobile communication unit, mobile phone CPU.The present invention is by believing that control module is analyzed and processed to the traffic live signal and information of vehicles of collection, by can to by velocity sensor, infrared distance sensor, digital compass obtain vehicle relevant information, and the signal lamp real time status information obtained by traffic signaling equipment is analyzed and processed, the traffic lights real-time status signal of the obtained optimal travel speed of vehicle and all directions will be analyzed, mobile phone A PP is sent to exactly, so as to realize vision and the voice message of traffic signals and the optimal travel speed of vehicle.
Description
Technical field
The present invention relates to intelligent traffic safety and technical field, specifically a kind of traffic lights based on mobile phone A PP are carried
Show system.
Background technology
With the development of urban economy and technology, trip and the consumption demand of people expand day by day, traffic jam issue day
Increasingly weigh, urban highway traffic can't bear the heavy load, traffic accident takes place frequently.Traffic lights are most common as traffic administration and control
Maximally effective means, are conducive to relieve traffic congestion stream, the road improvement traffic capacity, raising traffic safety, alleviate to a certain extent
Traffic jam issue.Therefore as important traffic sign, the effectively identification to traffic lights signal condition is particularly important.
But because traffic lights target is small, especially in the case of the low visibility such as rainy weather or mist thunderclap weather, driver can not
The status information of traffic lights is timely and accurately obtained, therefore rational drive speed can not be selected to keep safe distance with front truck,
So as to can not be in order by or stop at intersection, it is impossible to the generation that avoids traffic accident.
The content of the invention
It is an object of the invention to provide a kind of traffic lights prompt system based on mobile phone A PP, have helping driver
Marker lamp state is imitated, drive safety is improved.
In order to achieve the above object, the technical solution adopted in the present invention is：
Traffic lights prompt system based on mobile phone A PP, it is characterised in that：Traffic letter including being arranged on road scene
Number machine, traffic signals acquisition module, letter control module, wireless communication module, set car-mounted device in the car, and are arranged on and drive
Mobile phone A PP in the person's of sailing mobile phone, wherein：
The speed of the car-mounted device collection vehicle, Ben Che and front truck vehicular gap, the real-time position information of vehicle and
Travel direction, and the vehicular gap of the speed of vehicle, Ben Che and front truck, the real-time position information of vehicle and travel direction are passed through
Wireless way for transmitting to letter controls module；
The traffic signals acquisition module input is connected with traffic signaling equipment output end, the output of traffic signals acquisition module
End is connected with letter control module input, and the communication terminal of letter control module is connected with wireless communication module, by traffic signals acquisition module
Traffic lights real time status information in traffic signaling equipment is gathered, and traffic lights real time status information is transmitted to letter control mould
Between block, and driving of the letter control module by the speed of the vehicle of wireless communication module reception car-mounted device collection, Ben Che and front truck
Optimal travel speed relational expression, and letter control module are set with real-time position information and travel direction away from, vehicle, letter control module
Using optimal travel speed relational expression between the driving of traffic lights real time status information, the speed of vehicle, Ben Che and front truck
Analyzed away from, the real-time position information of vehicle and travel direction, judge the optimal travel speed of vehicle within a certain period of time, so
Wireless communication module will be passed through after the speed of vehicle, traffic lights real time status information, optimal driving speed information coding afterwards
It is sent to mobile phone A PP；
Mobile phone A PP will carry out Treatment Analysis after the signal decoding for believing control module transmission, judge whether the speed of vehicle is more than
Optimal travel speed, if the speed of vehicle is more than optimal travel speed, mobile phone A PP carries out voice reminder, does not otherwise produce language
Message number.
The described traffic lights prompt system based on mobile phone A PP, it is characterised in that：Traffic signals acquisition module, letter
Module is controlled to be located in the cabinet of the traffic signaling equipment of intersection with wireless communication module.
The described traffic lights prompt system based on mobile phone A PP, it is characterised in that：The car-mounted device includes speed
Sensor, infrared distance sensor, digital compass, onboard wireless transport module, the velocity sensor, infrared distance measurement sensing
Device, digital compass connect onboard wireless transport module respectively, wherein：
The speed of described velocity sensor collection vehicle, and the speed of the vehicle of acquisition is transmitted into mould by onboard wireless
Block, which is transmitted to letter, controls module；
Described infrared distance sensor is arranged on front side of car body, the vehicular gap for gathering this car and front truck, and will
This car and the vehicular gap of front truck obtained is transmitted to letter by onboard wireless transport module controls module；
The real-time position information of described digital compass collection vehicle, and judge the travel direction of vehicle, and by vehicle
Real-time position information and travel direction by onboard wireless transport module transmit to letter control module.
The described traffic lights prompt system based on mobile phone A PP, it is characterised in that：The mobile phone A PP includes mobile phone
In CPU, mobile communication unit, mobile phone display unit, mobile phone speech unit, the mobile communication unit and mobile phone
The communication terminal connection of Central Processing Unit, mobile phone display unit, the output of mobile phone speech unit respectively with mobile phone CPU
End connection, wherein：
Mobile phone CPU is carried out after receiving the signal decoding that letter control module is sent by mobile communication unit wireless
Treatment Analysis, judges whether the speed of vehicle is more than optimal travel speed, if the speed of vehicle is more than optimal travel speed, hand
Machine central processing unit controls mobile phone speech unit produces voice signal and carries out voice reminder, does not otherwise produce voice signal；Together
When regardless of whether produce voice signal, mobile phone central processing unit controls mobile phone display unit show traffic lights real-time status
Information.
The described traffic lights prompt system based on mobile phone A PP, it is characterised in that：Optimal velocity in letter control module
Relational expression, with the speed v of vehicles, vehicular gap dhFor independent variable, the optimal travel speed V as shown in formula (1) is set uppRelation
Formula：
Vp=vs{1-α·exp[(d-dh)/(β·vs)] (1),
α, β are constant term in formula, and based on many experiments demarcation, d is safe distance between vehicles, based on test of many times demarcation.
Traffic lights prompt system and prior art of the invention based on mobile phone A PP have advantages below:
1st, the present invention directly obtains signal lamp real-time status by traffic signaling equipment, and the standard of signal information has been effectively ensured
True property and real-time, reduce the time delays of signal transmission.
2nd, the present invention directly obtains car by the velocity sensor, infrared distance sensor and digital compass of vehicle on-board
Speed, running distance, position, improve optimal velocity calculating accuracy, it is ensured that the practicality of system.
3rd, the mobile phone A PP of driver can get front signal light real-time status by vision or voice, it is to avoid because before
Side is blocked or boisterous influence can not understand the state of signal lamp, makes rational driving behavior, reduces traffic accident
Generation, improve traffic safety.
4th, the present invention is few in the mobile unit that need to be installed, and does not interfere with the performance and outward appearance of vehicle, and cost is low.
5th, client of the invention is smart mobile phone, and main Data Analysis Services module is located at traffic signaling equipment cabinet
Equipment interior, that complexity need not be installed on vehicle, restrictive condition is few, and substantially any driver, vehicle can use this to be
System, it is practical, it is easy to promote.
Brief description of the drawings
Fig. 1 is the traffic lights prompt system structured flowchart of the invention based on mobile phone A PP.
Embodiment
As shown in figure 1, the traffic lights prompt system based on mobile phone A PP, including it is arranged on the traffic letter at road scene
Number machine 5, traffic signals acquisition module 6, letter control module 7, wireless communication module 8, set car-mounted device in the car, and set
Mobile phone A PP in driver's mobile phone, wherein：
Speed, Ben Che and front truck vehicular gap, the real-time position information and traveling of vehicle of car-mounted device collection vehicle
Direction, and the vehicular gap of the speed of vehicle, Ben Che and front truck, the real-time position information of vehicle and travel direction passed through wireless
Mode, which is transmitted to letter, controls module 7；
The input of traffic signals acquisition module 6 is connected with the output end of traffic signaling equipment 5, and traffic signals acquisition module 6 is exported
End is connected with the letter control input of module 7, and the communication terminal of letter control module 7 is connected with wireless communication module 8, and mould is gathered by traffic signals
Traffic lights real time status information in the collection traffic signaling equipment 5 of block 6, and traffic lights real time status information is transmitted to letter
Module 7 is controlled, and letter control module 7 receives speed, Ben Che and the front truck for the vehicle that car-mounted device is gathered by wireless communication module 8
Optimal travel speed relational expression is set with the real-time position information and travel direction of vehicular gap, vehicle, letter control module 7, and
Letter control module 7 is using optimal travel speed relational expression to traffic lights real time status information, the speed of vehicle, Ben Che and front truck
Vehicular gap, the real-time position information of vehicle and travel direction analyzed, judge the optimal row of vehicle within a certain period of time
Speed is sailed, by wireless after then encoding the speed of vehicle, traffic lights real time status information, optimal driving speed information
Communication module 8 is sent to mobile phone A PP；
Mobile phone A PP will carry out Treatment Analysis after the signal decoding for believing control module transmission, judge whether the speed of vehicle is more than
Optimal travel speed, if the speed of vehicle is more than optimal travel speed, mobile phone A PP carries out voice reminder, does not otherwise produce language
Message number.
Traffic signals acquisition module 6, letter control module 7 are located at the traffic signals of intersection with wireless communication module 8
In the cabinet of machine.
Car-mounted device includes velocity sensor 2, infrared distance sensor 4, digital compass 3, onboard wireless transport module
1, velocity sensor 2, infrared distance sensor 4, digital compass 3 connect onboard wireless transport module 1 respectively, wherein：
The speed of the collection vehicle of velocity sensor 2, and the speed of the vehicle of acquisition is passed by onboard wireless transport module 1
Transport to letter control module 7；
Infrared distance sensor 4 is arranged on front side of car body, the vehicular gap for gathering this car and front truck, and by acquisition
The vehicular gap of this car and front truck is transmitted to letter by onboard wireless transport module 1 controls module 7；
The real-time position information of the collection vehicle of digital compass 3, and judge the travel direction of vehicle, and by the real-time of vehicle
Positional information and travel direction are transmitted to letter by onboard wireless transport module 1 controls module 7.
Mobile phone A PP includes mobile phone CPU 10, mobile communication unit 9, mobile phone display unit 11, mobile phone speech list
Member 12, mobile communication unit 9 is connected with the communication terminal of mobile phone CPU 10, mobile phone display unit 11, mobile phone speech list
First 12 output end respectively with mobile phone CPU 9 is connected, wherein：
Mobile phone CPU 10 is believed after the signal decoding that control module 7 is sent by the wireless receiving of mobile communication unit 9
Treatment Analysis is carried out, judges whether the speed of vehicle is more than optimal travel speed, if the speed of vehicle is more than optimal travel speed,
Then the control mobile phone speech of mobile phone CPU 10 unit 12 produces voice signal and carries out voice reminder, does not otherwise produce voice
Signal；Simultaneously regardless of whether producing voice signal, the control mobile phone of mobile phone CPU 10 display unit 11 shows traffic letter
Signal lamp real time status information.
Optimal velocity relational expression in letter control module 7, with the speed v of vehicles, vehicular gap dhFor independent variable, set up as public
Optimal travel speed V shown in formula (1)pRelational expression：
Vp=vs{1-α·exp[(d-dh)/(β·vs)] (1),
α, β are constant term in formula, based on many experiments demarcation.D is safe distance between vehicles, based on test of many times demarcation.
When vehicle is driven in traffic lights certain limit, vehicle by infrared distance sensor 4, velocity sensor 2 with
And the vehicle driving distance that obtains of digital compass 3, speed, vehicle position information are passed in real time by onboard wireless module 1
Wireless communication module 8 in traffic signaling equipment cabinet, wireless communication module 8 is delivered to letter control module again after these information are encoded
7, letter control module 7 is analyzed the running distance received, speed, vehicle position information and traffic signal light condition information
The vehicle of correspondence direction is sent to after processing, coding by wireless communication module 8, mobile phone A PP in this direction is logical by mobile phone
News unit 9 screens and received the signal matched, and signal is passed to mobile phone CPU 10, hand by mobile communication unit 9
Machine CPU 10 carries out conversion process to signal, and the signal after conversion is sent respectively into the He of mobile phone display unit 11
Mobile phone speech unit 12, driver is presented to vision and voice mode.
Claims (5)
1. the traffic lights prompt system based on mobile phone A PP, it is characterised in that：Traffic signals including being arranged on road scene
Machine, traffic signals acquisition module, letter control module, wireless communication module, set car-mounted device in the car, and be arranged on driving
Mobile phone A PP in member's mobile phone, wherein：
Speed, Ben Che and front truck vehicular gap, the real-time position information and traveling of vehicle of the car-mounted device collection vehicle
Direction, and the vehicular gap of the speed of vehicle, Ben Che and front truck, the real-time position information of vehicle and travel direction passed through wireless
Mode, which is transmitted to letter, controls module；
The traffic signals acquisition module input is connected with traffic signaling equipment output end, traffic signals acquisition module output end with
Letter control module input connection, the communication terminal of letter control module is connected with wireless communication module, gathered by traffic signals acquisition module
Traffic lights real time status information in traffic signaling equipment, and traffic lights real time status information is transmitted to letter control module,
And letter control module received by wireless communication module the speed of vehicle, Ben Che and front truck vehicular gap that car-mounted device gathers,
Optimal travel speed relational expression is set with the real-time position information and travel direction of vehicle, letter control module, and letter control module is adopted
With optimal travel speed relational expression to the vehicular gap of traffic lights real time status information, the speed of vehicle, Ben Che and front truck,
The real-time position information and travel direction of vehicle are analyzed, and judge the optimal travel speed of vehicle within a certain period of time, then
It will be sent out after the speed of vehicle, traffic lights real time status information, optimal driving speed information coding by wireless communication module
Give mobile phone A PP；
Whether mobile phone A PP will carry out Treatment Analysis after believing the signal decoding of control module transmission, judge the speed of vehicle more than optimal
Travel speed, if the speed of vehicle is more than optimal travel speed, mobile phone A PP carries out voice reminder, and voice letter is not otherwise produced
Number.
2. the traffic lights prompt system according to claim 1 based on mobile phone A PP, it is characterised in that：Traffic signals
Acquisition module, letter control module and wireless communication module are in the cabinet of the traffic signaling equipment of intersection.
3. the traffic lights prompt system according to claim 1 based on mobile phone A PP, it is characterised in that：It is described vehicle-mounted
Device include velocity sensor, infrared distance sensor, digital compass, onboard wireless transport module, the velocity sensor,
Infrared distance sensor, digital compass connect onboard wireless transport module respectively, wherein：
The speed of described velocity sensor collection vehicle, and the speed of the vehicle of acquisition is passed by onboard wireless transport module
Transport to letter control module；
Described infrared distance sensor is arranged on front side of car body, the vehicular gap for gathering this car and front truck, and will be obtained
This car and front truck vehicular gap by onboard wireless transport module transmit to letter control module；
The real-time position information of described digital compass collection vehicle, and judge the travel direction of vehicle, and by the reality of vehicle
When positional information and travel direction by onboard wireless transport module transmit to letter control module.
4. the traffic lights prompt system according to claim 1 based on mobile phone A PP, it is characterised in that：The mobile phone
APP includes mobile phone CPU, mobile communication unit, mobile phone display unit, mobile phone speech unit, the mobile communication list
Member is connected with the communication terminal of mobile phone CPU, and mobile phone display unit, mobile phone speech unit are handled with mobile phone center respectively
The output end connection of unit, wherein：
Mobile phone CPU is handled after receiving the signal decoding that letter control module is sent by mobile communication unit wireless
Analysis, judges whether the speed of vehicle is more than optimal travel speed, if the speed of vehicle is more than in optimal travel speed, mobile phone
Central Processing Unit control mobile phone speech unit produces voice signal and carries out voice reminder, does not otherwise produce voice signal；While nothing
By whether voice signal is produced, mobile phone central processing unit controls mobile phone display unit shows traffic lights real-time status letter
Breath.
5. the traffic lights prompt system according to claim 1 based on mobile phone A PP, it is characterised in that：Letter control module
In optimal velocity relational expression, with the speed v of vehicles, vehicular gap dhFor independent variable, the optimal row as shown in formula (1) is set up
Sail speed VpRelational expression：
Vp=vs{1-α·exp[(d-dh)/(β·vs)] (1),
α, β are constant term in formula, and based on many experiments demarcation, d is safe distance between vehicles, based on test of many times demarcation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710346053.2A CN106971573B (en) | 2017-05-17 | 2017-05-17 | Traffic lights prompt system based on cell phone application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346053.2A CN106971573B (en) | 2017-05-17 | 2017-05-17 | Traffic lights prompt system based on cell phone application |
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| CN106971573A true CN106971573A (en) | 2017-07-21 |
| CN106971573B CN106971573B (en) | 2019-03-26 |
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| CN201710346053.2A Active CN106971573B (en) | 2017-05-17 | 2017-05-17 | Traffic lights prompt system based on cell phone application |
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Cited By (3)
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| CN110155070A (en) * | 2019-05-27 | 2019-08-23 | 宁波团团工业设计有限公司 | A method of passing through handset identity driver |
| CN111462510A (en) * | 2020-03-12 | 2020-07-28 | 兰州交通大学 | Cloud intelligent voice prompt system based on mobile phone map navigation |
| CN112562359A (en) * | 2020-11-06 | 2021-03-26 | 龙南骏亚精密电路有限公司 | Traffic signal lamp sidewalk safety intelligent control method |
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| CN106971573B (en) | 2019-03-26 |
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